<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>外部样式表</title>
    <link rel="stylesheet" type="text/css" href="../CSS/css1.css"/>
</head>
<body>
<div>
    <hr size="2">
    <p>外部样式表可以在任何文本编译器中进行编译</p>
</div>
</body>
</html>